Tara Cornelisse, Center for Biological Diversity
POSTSThe Nearly Extinct Sacramento Mountains Checkerspot Butterfly Needs Help
Is it a dried-up leaf or a butterfly?
More than 1,000 endangered Palos Verdes Blue Butterflies have been released into their native habitat
In search of reasons for the recent decline in monarch butterfly populations
Climate change could cause decline of some alpine butterfly species
Watch a Breathtaking Monarch Butterfly Swarm